Add query for number of XCCs per agent

Change-Id: I4b694b4904ba0326c998356388a62c19a972a7ff


[ROCm/ROCR-Runtime commit: f024d21e3d]

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_cpu_agent.cpp

@@ -385,6 +385,9 @@ hsa_status_t CpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
     case HSA_AMD_AGENT_INFO_IOMMU_SUPPORT:
       *((hsa_amd_iommu_version_t*)value) = HSA_IOMMU_SUPPORT_NONE;
       break;
+    case HSA_AMD_AGENT_INFO_NUM_XCC:
+      *((uint32_t*)value) = 0;
+      break;
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
       break;

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -1242,6 +1242,9 @@ hsa_status_t GpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
       else
         *((hsa_amd_iommu_version_t*)value) = HSA_IOMMU_SUPPORT_NONE;
       break;
+    case HSA_AMD_AGENT_INFO_NUM_XCC:
+      *((uint32_t*)value) = static_cast<uint32_t>(properties_.NumXcc);
+      break;
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
       break;

projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h

@@ -387,7 +387,12 @@ typedef enum hsa_amd_agent_info_s {
    * Queries for version of IOMMU supported by agent.
    * The type of this attribute is hsa_amd_iommu_version_t.
    */
-  HSA_AMD_AGENT_INFO_IOMMU_SUPPORT = 0xA110
+  HSA_AMD_AGENT_INFO_IOMMU_SUPPORT = 0xA110,
+  /**
+   * Queries for number of XCCs within the agent.
+   * The type of this attribute is uint32_t.
+   */
+  HSA_AMD_AGENT_INFO_NUM_XCC = 0xA111
 } hsa_amd_agent_info_t;
 
 /**